Workshop Manual BMW D7 BMW Marine
This manual provides complete procedures for the dismantling, overhaul, and assembly of the BMW D7 marine engine. It covers the four-stroke diesel engine with direct injection and open-circuit cooling system, including standard equipment like the electric starter and flywheel alternator.
The document details technical data, special tools required, and step-by-step instructions for major components such as the fuel system, electrical system, water pump, cylinder head, and crankshaft. It includes specific torque settings, adjustment data, and rework procedures for engine parts.
| Capacity | 280cc / 17.1 cu.in. |
|---|---|
| Bore x stroke | 73 mm x 67 mm |
| Max. power | 4.5 kw / 6 bhp @ 3600 rpm |
| Compression ratio | 22 : 1 |
| Dry weight with gearbox | 68 kg / 150 lbs |
| Fuel type | Diesel oil, DIN 51601/USA #2 |
| Lubricating oil | HD-API CC/CD |
| Gearbox reduction forward | 2.7:1 |
| Max. installation angle | 15 o |
The engine uses Diesel oil, specifically DIN 51601 or USA #2.
The torque setting for M 8 cylinder head nuts is 40 Nm.
The engine oil capacity is 2 litres (3.5 pints UK / 4.4 pints US).